627 lines
17 KiB
Text
627 lines
17 KiB
Text
/*
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* BIRD -- Core Configuration
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*
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* (c) 1998--2000 Martin Mares <mj@ucw.cz>
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* (c) 2004 Ondrej Filip <feela@network.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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CF_HDR
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#include "nest/rt-dev.h"
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#include "nest/password.h"
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#include "nest/cmds.h"
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#include "lib/lists.h"
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CF_DEFINES
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static struct proto_config *this_proto;
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static struct iface_patt *this_ipatt;
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static struct iface_patt_node *this_ipn;
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/* static struct roa_table_config *this_roa_table; */
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static list *this_p_list;
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static struct password_item *this_p_item;
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static int password_id;
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static void
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iface_patt_check(void)
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{
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struct iface_patt_node *pn;
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WALK_LIST(pn, this_ipatt->ipn_list)
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if (!pn->pattern || pn->prefix.type)
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cf_error("Interface name/mask expected, not IP prefix");
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}
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static inline void
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reset_passwords(void)
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{
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this_p_list = NULL;
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}
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static inline list *
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get_passwords(void)
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{
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list *rv = this_p_list;
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this_p_list = NULL;
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return rv;
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}
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#define DIRECT_CFG ((struct rt_dev_config *) this_proto)
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CF_DECLS
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CF_KEYWORDS(ROUTER, ID, PROTOCOL, TEMPLATE, PREFERENCE, DISABLED, DEBUG, ALL, OFF, DIRECT)
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CF_KEYWORDS(INTERFACE, IMPORT, EXPORT, FILTER, NONE, TABLE, STATES, ROUTES, FILTERS)
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CF_KEYWORDS(IPV4, IPV6, VPN4, VPN6, ROA4, ROA6)
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CF_KEYWORDS(RECEIVE, LIMIT, ACTION, WARN, BLOCK, RESTART, DISABLE, KEEP, FILTERED)
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CF_KEYWORDS(PASSWORD, FROM, PASSIVE, TO, ID, EVENTS, PACKETS, PROTOCOLS, INTERFACES)
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CF_KEYWORDS(PRIMARY, STATS, COUNT, FOR, COMMANDS, PREEXPORT, NOEXPORT, GENERATE) /* ,ROA */
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CF_KEYWORDS(LISTEN, BGP, V6ONLY, DUAL, ADDRESS, PORT, PASSWORDS, DESCRIPTION, SORTED)
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CF_KEYWORDS(RELOAD, IN, OUT, MRTDUMP, MESSAGES, RESTRICT, MEMORY, IGP_METRIC, CLASS, DSCP)
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CF_KEYWORDS(GRACEFUL, RESTART, WAIT, MAX, FLUSH, AS)
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CF_ENUM(T_ENUM_RTS, RTS_, DUMMY, STATIC, INHERIT, DEVICE, STATIC_DEVICE, REDIRECT,
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RIP, OSPF, OSPF_IA, OSPF_EXT1, OSPF_EXT2, BGP, PIPE)
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CF_ENUM(T_ENUM_SCOPE, SCOPE_, HOST, LINK, SITE, ORGANIZATION, UNIVERSE, UNDEFINED)
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CF_ENUM(T_ENUM_RTC, RTC_, UNICAST, BROADCAST, MULTICAST, ANYCAST)
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CF_ENUM(T_ENUM_RTD, RTD_, ROUTER, DEVICE, BLACKHOLE, UNREACHABLE, PROHIBIT, MULTIPATH)
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CF_ENUM(T_ENUM_ROA, ROA_, UNKNOWN, VALID, INVALID)
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%type <i32> idval
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%type <f> imexport
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%type <r> rtable
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%type <s> optsym
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%type <ra> r_args
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%type <sd> sym_args
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%type <i> proto_start echo_mask echo_size debug_mask debug_list debug_flag mrtdump_mask mrtdump_list mrtdump_flag export_mode limit_action table_type table_sorted tos
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%type <ps> proto_patt proto_patt2
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%type <g> limit_spec
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CF_GRAMMAR
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/* Setting of router ID */
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CF_ADDTO(conf, rtrid)
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rtrid:
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ROUTER ID idval ';' { new_config->router_id = $3; }
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| ROUTER ID FROM iface_patt ';' { new_config->router_id_from = this_ipatt; }
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;
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idval:
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NUM { $$ = $1; }
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| '(' term ')' { $$ = f_eval_int($2); }
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| IP4 { $$ = ip4_to_u32($1); }
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| SYM {
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if ($1->class == (SYM_CONSTANT | T_INT) || $1->class == (SYM_CONSTANT | T_QUAD))
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$$ = SYM_VAL($1).i;
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else if (($1->class == (SYM_CONSTANT | T_IP)) && ipa_is_ip4(SYM_VAL($1).ip))
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$$ = ipa_to_u32(SYM_VAL($1).ip);
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else
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cf_error("Number of IPv4 address constant expected");
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}
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;
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CF_ADDTO(conf, listen)
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listen: LISTEN BGP listen_opts ';' ;
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listen_opts:
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/* Nothing */
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| listen_opts listen_opt
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;
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listen_opt:
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ADDRESS ipa { new_config->listen_bgp_addr = $2; }
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| PORT expr { new_config->listen_bgp_port = $2; }
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| V6ONLY { new_config->listen_bgp_flags = 0; }
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| DUAL { new_config->listen_bgp_flags = 1; }
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;
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CF_ADDTO(conf, gr_opts)
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gr_opts: GRACEFUL RESTART WAIT expr ';' { new_config->gr_wait = $4; } ;
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/* Creation of routing tables */
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CF_ADDTO(conf, table)
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table_type:
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/* empty */ { $$ = NET_IP4; }
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| IPV4 { $$ = NET_IP4; }
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| IPV6 { $$ = NET_IP6; }
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| VPN4 { $$ = NET_VPN4; }
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| VPN6 { $$ = NET_VPN6; }
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| ROA4 { $$ = NET_ROA4; }
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| ROA6 { $$ = NET_ROA6; }
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;
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table_sorted:
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{ $$ = 0; }
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| SORTED { $$ = 1; }
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;
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table: table_type TABLE SYM table_sorted {
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struct rtable_config *cf;
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cf = rt_new_table($3, $1);
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cf->sorted = $4;
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}
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;
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/* Definition of protocols */
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CF_ADDTO(conf, proto)
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proto_start:
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PROTOCOL { $$ = SYM_PROTO; }
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| TEMPLATE { $$ = SYM_TEMPLATE; }
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;
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proto_name:
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/* EMPTY */ {
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struct symbol *s = cf_default_name(this_proto->protocol->template, &this_proto->protocol->name_counter);
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s->class = this_proto->class;
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s->def = this_proto;
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this_proto->name = s->name;
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}
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| SYM {
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cf_define_symbol($1, this_proto->class, this_proto);
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this_proto->name = $1->name;
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}
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| FROM SYM {
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struct symbol *s = cf_default_name(this_proto->protocol->template, &this_proto->protocol->name_counter);
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s->class = this_proto->class;
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s->def = this_proto;
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this_proto->name = s->name;
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if (($2->class != SYM_TEMPLATE) && ($2->class != SYM_PROTO)) cf_error("Template or protocol name expected");
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proto_copy_config(this_proto, $2->def);
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}
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| SYM FROM SYM {
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cf_define_symbol($1, this_proto->class, this_proto);
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this_proto->name = $1->name;
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if (($3->class != SYM_TEMPLATE) && ($3->class != SYM_PROTO)) cf_error("Template or protocol name expected");
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proto_copy_config(this_proto, $3->def);
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}
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;
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proto_item:
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/* EMPTY */
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| PREFERENCE expr {
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if ($2 < 0 || $2 > 0xFFFF) cf_error("Invalid preference");
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this_proto->preference = $2;
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}
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| DISABLED bool { this_proto->disabled = $2; }
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| DEBUG debug_mask { this_proto->debug = $2; }
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| MRTDUMP mrtdump_mask { this_proto->mrtdump = $2; }
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| IMPORT imexport { this_proto->in_filter = $2; }
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| EXPORT imexport { this_proto->out_filter = $2; }
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| RECEIVE LIMIT limit_spec { this_proto->rx_limit = $3; }
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| IMPORT LIMIT limit_spec { this_proto->in_limit = $3; }
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| EXPORT LIMIT limit_spec { this_proto->out_limit = $3; }
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| IMPORT KEEP FILTERED bool { this_proto->in_keep_filtered = $4; }
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| TABLE rtable { this_proto->table = $2; }
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| ROUTER ID idval { this_proto->router_id = $3; }
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| DESCRIPTION text { this_proto->dsc = $2; }
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;
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imexport:
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FILTER filter { $$ = $2; }
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| where_filter
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| ALL { $$ = FILTER_ACCEPT; }
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| NONE { $$ = FILTER_REJECT; }
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;
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limit_action:
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/* default */ { $$ = PLA_DISABLE; }
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| ACTION WARN { $$ = PLA_WARN; }
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| ACTION BLOCK { $$ = PLA_BLOCK; }
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| ACTION RESTART { $$ = PLA_RESTART; }
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| ACTION DISABLE { $$ = PLA_DISABLE; }
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;
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limit_spec:
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expr limit_action {
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struct proto_limit *l = cfg_allocz(sizeof(struct proto_limit));
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l->limit = $1;
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l->action = $2;
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$$ = l;
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}
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| OFF { $$ = NULL; }
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;
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rtable:
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SYM {
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if ($1->class != SYM_TABLE) cf_error("Table name expected");
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$$ = $1->def;
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}
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;
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CF_ADDTO(conf, debug_default)
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debug_default:
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DEBUG PROTOCOLS debug_mask { new_config->proto_default_debug = $3; }
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| DEBUG COMMANDS expr { new_config->cli_debug = $3; }
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;
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/* MRTDUMP PROTOCOLS is in systep/unix/config.Y */
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/* Interface patterns */
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iface_patt_node_init:
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/* EMPTY */ {
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struct iface_patt_node *ipn = cfg_allocz(sizeof(struct iface_patt_node));
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add_tail(&this_ipatt->ipn_list, NODE ipn);
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this_ipn = ipn;
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}
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;
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iface_patt_node_body:
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TEXT { this_ipn->pattern = $1; /* this_ipn->prefix stays zero */ }
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| opttext net_or_ipa { this_ipn->pattern = $1; this_ipn->prefix = $2; }
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;
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iface_negate:
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{ this_ipn->positive = 1; }
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| '-' { this_ipn->positive = 0; }
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;
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iface_patt_node:
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iface_patt_node_init iface_negate iface_patt_node_body
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;
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iface_patt_list:
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iface_patt_node
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| iface_patt_list ',' iface_patt_node
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;
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/* For name/mask-only iface patterns */
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iface_patt_list_nopx: iface_patt_list { iface_patt_check(); }
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iface_patt_init: {
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/* Generic this_ipatt init */
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this_ipatt = cfg_allocz(sizeof(struct iface_patt));
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init_list(&this_ipatt->ipn_list);
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}
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;
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iface_patt:
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iface_patt_init iface_patt_list
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;
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tos:
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CLASS expr { $$ = $2 & 0xfc; if (($2 < 0) || ($2 > 255)) cf_error("TX class must be in range 0-255"); }
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| DSCP expr { $$ = ($2 & 0x3f) << 2; if (($2 < 0) || ($2 > 63)) cf_error("TX DSCP must be in range 0-63"); }
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;
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/* Direct device route protocol */
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CF_ADDTO(proto, dev_proto '}')
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dev_proto_start: proto_start DIRECT {
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this_proto = proto_config_new(&proto_device, $1);
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init_list(&DIRECT_CFG->iface_list);
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}
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;
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dev_proto:
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dev_proto_start proto_name '{'
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| dev_proto proto_item ';'
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| dev_proto dev_iface_patt ';'
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;
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dev_iface_init:
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/* EMPTY */ {
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this_ipatt = cfg_allocz(sizeof(struct iface_patt));
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add_tail(&DIRECT_CFG->iface_list, NODE this_ipatt);
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init_list(&this_ipatt->ipn_list);
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}
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;
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dev_iface_patt:
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INTERFACE dev_iface_init iface_patt_list
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;
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/* Debug flags */
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debug_mask:
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ALL { $$ = ~0; }
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| OFF { $$ = 0; }
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| '{' debug_list '}' { $$ = $2; }
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;
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debug_list:
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debug_flag
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| debug_list ',' debug_flag { $$ = $1 | $3; }
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;
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debug_flag:
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STATES { $$ = D_STATES; }
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| ROUTES { $$ = D_ROUTES; }
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| FILTERS { $$ = D_FILTERS; }
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| INTERFACES { $$ = D_IFACES; }
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| EVENTS { $$ = D_EVENTS; }
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| PACKETS { $$ = D_PACKETS; }
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;
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/* MRTDump flags */
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mrtdump_mask:
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ALL { $$ = ~0; }
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| OFF { $$ = 0; }
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| '{' mrtdump_list '}' { $$ = $2; }
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;
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mrtdump_list:
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mrtdump_flag
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| mrtdump_list ',' mrtdump_flag { $$ = $1 | $3; }
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;
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mrtdump_flag:
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STATES { $$ = MD_STATES; }
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| MESSAGES { $$ = MD_MESSAGES; }
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;
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/* Password lists */
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password_list:
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PASSWORDS '{' password_items '}'
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| password_item
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;
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password_items:
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/* empty */
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| password_item ';' password_items
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;
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password_item:
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password_item_begin '{' password_item_params '}'
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| password_item_begin
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;
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password_item_begin:
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PASSWORD text {
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if (!this_p_list) {
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this_p_list = cfg_alloc(sizeof(list));
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init_list(this_p_list);
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password_id = 1;
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}
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this_p_item = cfg_alloc(sizeof (struct password_item));
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this_p_item->password = $2;
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this_p_item->genfrom = 0;
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this_p_item->gento = TIME_INFINITY;
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this_p_item->accfrom = 0;
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this_p_item->accto = TIME_INFINITY;
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this_p_item->id = password_id++;
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add_tail(this_p_list, &this_p_item->n);
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}
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;
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password_item_params:
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/* empty */ { }
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| GENERATE FROM datetime ';' password_item_params { this_p_item->genfrom = $3; }
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| GENERATE TO datetime ';' password_item_params { this_p_item->gento = $3; }
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| ACCEPT FROM datetime ';' password_item_params { this_p_item->accfrom = $3; }
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| ACCEPT TO datetime ';' password_item_params { this_p_item->accto = $3; }
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| ID expr ';' password_item_params { this_p_item->id = $2; if ($2 <= 0) cf_error("Password ID has to be greated than zero."); }
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;
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/* Core commands */
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CF_CLI_HELP(SHOW, ..., [[Show status information]])
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CF_CLI(SHOW STATUS,,, [[Show router status]])
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{ cmd_show_status(); } ;
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CF_CLI(SHOW MEMORY,,, [[Show memory usage]])
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{ cmd_show_memory(); } ;
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CF_CLI(SHOW PROTOCOLS, proto_patt2, [<protocol> | \"<pattern>\"], [[Show routing protocols]])
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{ proto_apply_cmd($3, proto_cmd_show, 0, 0); } ;
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CF_CLI(SHOW PROTOCOLS ALL, proto_patt2, [<protocol> | \"<pattern>\"], [[Show routing protocol details]])
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{ proto_apply_cmd($4, proto_cmd_show, 0, 1); } ;
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optsym:
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SYM
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| /* empty */ { $$ = NULL; }
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;
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CF_CLI(SHOW INTERFACES,,, [[Show network interfaces]])
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{ if_show(); } ;
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CF_CLI(SHOW INTERFACES SUMMARY,,, [[Show summary of network interfaces]])
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{ if_show_summary(); } ;
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CF_CLI_HELP(SHOW ROUTE, ..., [[Show routing table]])
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CF_CLI(SHOW ROUTE, r_args, [[[<prefix>|for <prefix>|for <ip>] [table <t>] [filter <f>|where <cond>] [all] [primary] [filtered] [(export|preexport|noexport) <p>] [protocol <p>] [stats|count]]], [[Show routing table]])
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{ rt_show($3); } ;
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r_args:
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/* empty */ {
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$$ = cfg_allocz(sizeof(struct rt_show_data));
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$$->filter = FILTER_ACCEPT;
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}
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| r_args net_any {
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$$ = $1;
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if ($$->addr) cf_error("Only one prefix expected");
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$$->addr = $2;
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}
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| r_args FOR net_or_ipa {
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$$ = $1;
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if ($$->addr) cf_error("Only one prefix expected");
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$$->show_for = 1;
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$$->addr = cfg_alloc($3.length);
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net_copy($$->addr, &($3));
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}
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| r_args TABLE SYM {
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$$ = $1;
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if ($3->class != SYM_TABLE) cf_error("%s is not a table", $3->name);
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$$->table = ((struct rtable_config *)$3->def)->table;
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}
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| r_args FILTER filter {
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$$ = $1;
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if ($$->filter != FILTER_ACCEPT) cf_error("Filter specified twice");
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$$->filter = $3;
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}
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| r_args where_filter {
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$$ = $1;
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if ($$->filter != FILTER_ACCEPT) cf_error("Filter specified twice");
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$$->filter = $2;
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}
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| r_args ALL {
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$$ = $1;
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$$->verbose = 1;
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}
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| r_args PRIMARY {
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$$ = $1;
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$$->primary_only = 1;
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}
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|
| r_args FILTERED {
|
|
$$ = $1;
|
|
$$->filtered = 1;
|
|
}
|
|
| r_args export_mode SYM {
|
|
struct proto_config *c = (struct proto_config *) $3->def;
|
|
$$ = $1;
|
|
if ($$->export_mode) cf_error("Protocol specified twice");
|
|
if ($3->class != SYM_PROTO || !c->proto) cf_error("%s is not a protocol", $3->name);
|
|
$$->export_mode = $2;
|
|
$$->export_protocol = c->proto;
|
|
$$->running_on_config = c->proto->cf->global;
|
|
}
|
|
| r_args PROTOCOL SYM {
|
|
struct proto_config *c = (struct proto_config *) $3->def;
|
|
$$ = $1;
|
|
if ($$->show_protocol) cf_error("Protocol specified twice");
|
|
if ($3->class != SYM_PROTO || !c->proto) cf_error("%s is not a protocol", $3->name);
|
|
$$->show_protocol = c->proto;
|
|
$$->running_on_config = c->proto->cf->global;
|
|
}
|
|
| r_args STATS {
|
|
$$ = $1;
|
|
$$->stats = 1;
|
|
}
|
|
| r_args COUNT {
|
|
$$ = $1;
|
|
$$->stats = 2;
|
|
}
|
|
;
|
|
|
|
export_mode:
|
|
PREEXPORT { $$ = RSEM_PREEXPORT; }
|
|
| EXPORT { $$ = RSEM_EXPORT; }
|
|
| NOEXPORT { $$ = RSEM_NOEXPORT; }
|
|
;
|
|
|
|
|
|
CF_CLI_HELP(SHOW SYMBOLS, ..., [[Show all known symbolic names]])
|
|
CF_CLI(SHOW SYMBOLS, sym_args, [table|filter|function|protocol|template|<symbol>], [[Show all known symbolic names]])
|
|
{ cmd_show_symbols($3); } ;
|
|
|
|
sym_args:
|
|
/* empty */ {
|
|
$$ = cfg_allocz(sizeof(struct sym_show_data));
|
|
}
|
|
| sym_args TABLE { $$ = $1; $$->type = SYM_TABLE; }
|
|
| sym_args FUNCTION { $$ = $1; $$->type = SYM_FUNCTION; }
|
|
| sym_args FILTER { $$ = $1; $$->type = SYM_FILTER; }
|
|
| sym_args PROTOCOL { $$ = $1; $$->type = SYM_PROTO; }
|
|
| sym_args TEMPLATE { $$ = $1; $$->type = SYM_TEMPLATE; }
|
|
| sym_args SYM { $$ = $1; $$->sym = $2; }
|
|
;
|
|
|
|
|
|
CF_CLI_HELP(DUMP, ..., [[Dump debugging information]])
|
|
CF_CLI(DUMP RESOURCES,,, [[Dump all allocated resource]])
|
|
{ rdump(&root_pool); cli_msg(0, ""); } ;
|
|
CF_CLI(DUMP SOCKETS,,, [[Dump open sockets]])
|
|
{ sk_dump_all(); cli_msg(0, ""); } ;
|
|
CF_CLI(DUMP EVENTS,,, [[Dump event log]])
|
|
{ io_log_dump(); cli_msg(0, ""); } ;
|
|
CF_CLI(DUMP INTERFACES,,, [[Dump interface information]])
|
|
{ if_dump_all(); cli_msg(0, ""); } ;
|
|
CF_CLI(DUMP NEIGHBORS,,, [[Dump neighbor cache]])
|
|
{ neigh_dump_all(); cli_msg(0, ""); } ;
|
|
CF_CLI(DUMP ATTRIBUTES,,, [[Dump attribute cache]])
|
|
{ rta_dump_all(); cli_msg(0, ""); } ;
|
|
CF_CLI(DUMP ROUTES,,, [[Dump routing table]])
|
|
{ rt_dump_all(); cli_msg(0, ""); } ;
|
|
CF_CLI(DUMP PROTOCOLS,,, [[Dump protocol information]])
|
|
{ protos_dump_all(); cli_msg(0, ""); } ;
|
|
|
|
CF_CLI(EVAL, term, <expr>, [[Evaluate an expression]])
|
|
{ cmd_eval($2); } ;
|
|
|
|
CF_CLI_HELP(ECHO, ..., [[Control echoing of log messages]])
|
|
CF_CLI(ECHO, echo_mask echo_size, (all | off | { debug | trace | info | remote | warning | error | auth }) [<buffer-size>], [[Control echoing of log messages]]) {
|
|
cli_set_log_echo(this_cli, $2, $3);
|
|
cli_msg(0, "");
|
|
} ;
|
|
|
|
echo_mask:
|
|
ALL { $$ = ~0; }
|
|
| OFF { $$ = 0; }
|
|
| '{' log_mask_list '}' { $$ = $2; }
|
|
;
|
|
|
|
echo_size:
|
|
/* empty */ { $$ = 4096; }
|
|
| NUM {
|
|
if ($1 < 256 || $1 > 65536) cf_error("Invalid log buffer size");
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
CF_CLI(DISABLE, proto_patt, <protocol> | \"<pattern>\" | all, [[Disable protocol]])
|
|
{ proto_apply_cmd($2, proto_cmd_disable, 1, 0); } ;
|
|
CF_CLI(ENABLE, proto_patt, <protocol> | \"<pattern>\" | all, [[Enable protocol]])
|
|
{ proto_apply_cmd($2, proto_cmd_enable, 1, 0); } ;
|
|
CF_CLI(RESTART, proto_patt, <protocol> | \"<pattern>\" | all, [[Restart protocol]])
|
|
{ proto_apply_cmd($2, proto_cmd_restart, 1, 0); } ;
|
|
CF_CLI(RELOAD, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol]])
|
|
{ proto_apply_cmd($2, proto_cmd_reload, 1, CMD_RELOAD); } ;
|
|
CF_CLI(RELOAD IN, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol (just imported routes)]])
|
|
{ proto_apply_cmd($3, proto_cmd_reload, 1, CMD_RELOAD_IN); } ;
|
|
CF_CLI(RELOAD OUT, proto_patt, <protocol> | \"<pattern>\" | all, [[Reload protocol (just exported routes)]])
|
|
{ proto_apply_cmd($3, proto_cmd_reload, 1, CMD_RELOAD_OUT); } ;
|
|
|
|
CF_CLI_HELP(DEBUG, ..., [[Control protocol debugging via BIRD logs]])
|
|
CF_CLI(DEBUG, proto_patt debug_mask, (<protocol> | <pattern> | all) (all | off | { states | routes | filters | interfaces | events | packets }), [[Control protocol debugging via BIRD logs]])
|
|
{ proto_apply_cmd($2, proto_cmd_debug, 1, $3); } ;
|
|
|
|
CF_CLI_HELP(MRTDUMP, ..., [[Control protocol debugging via MRTdump files]])
|
|
CF_CLI(MRTDUMP, proto_patt mrtdump_mask, (<protocol> | <pattern> | all) (all | off | { states | messages }), [[Control protocol debugging via MRTdump format]])
|
|
{ proto_apply_cmd($2, proto_cmd_mrtdump, 1, $3); } ;
|
|
|
|
CF_CLI(RESTRICT,,,[[Restrict current CLI session to safe commands]])
|
|
{ this_cli->restricted = 1; cli_msg(16, "Access restricted"); } ;
|
|
|
|
proto_patt:
|
|
SYM { $$.ptr = $1; $$.patt = 0; }
|
|
| ALL { $$.ptr = NULL; $$.patt = 1; }
|
|
| TEXT { $$.ptr = $1; $$.patt = 1; }
|
|
;
|
|
|
|
proto_patt2:
|
|
SYM { $$.ptr = $1; $$.patt = 0; }
|
|
| { $$.ptr = NULL; $$.patt = 1; }
|
|
| TEXT { $$.ptr = $1; $$.patt = 1; }
|
|
;
|
|
|
|
CF_ADDTO(dynamic_attr, IGP_METRIC
|
|
{ $$ = f_new_dynamic_attr(EAF_TYPE_INT, T_INT, EA_GEN_IGP_METRIC); })
|
|
|
|
|
|
CF_CODE
|
|
|
|
CF_END
|